Finding the Fourth Proportional to 696,356.68, 960,899.88 and 409,859.68
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Solution
The fourth proportional to 696,356.68, 960,899.88 and 409,859.68 is: 565,563.78
Step by Step Solution
- Step 1: Write the proportion equation
696,356.68 : 960,899.88 = 409,859.68 : x - Step 2: Convert to fraction form
696,356.68/960,899.88 = 409,859.68/x - Step 3: Cross multiply
696,356.68x = 960,899.88 × 409,859.68 - Step 4: Simplify right side
696,356.68x = 393,834,117,328.84 - Step 5: Solve for x
x = 393,834,117,328.84/696,356.68 - Step 6: Final answer
x = 565,563.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.